IT1102445B - SURVEILLANCE DEVICE FOR SEMICONDUCTOR VALVES - Google Patents

SURVEILLANCE DEVICE FOR SEMICONDUCTOR VALVES

Info

Publication number
IT1102445B
IT1102445B IT31348/78A IT3134878A IT1102445B IT 1102445 B IT1102445 B IT 1102445B IT 31348/78 A IT31348/78 A IT 31348/78A IT 3134878 A IT3134878 A IT 3134878A IT 1102445 B IT1102445 B IT 1102445B
Authority
IT
Italy
Prior art keywords
surveillance device
semiconductor valves
valves
semiconductor
surveillance
Prior art date
Application number
IT31348/78A
Other languages
Italian (it)
Other versions
IT7831348A0 (en
Original Assignee
Bbc Brown Boveri & Cie
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bbc Brown Boveri & Cie filed Critical Bbc Brown Boveri & Cie
Publication of IT7831348A0 publication Critical patent/IT7831348A0/en
Application granted granted Critical
Publication of IT1102445B publication Critical patent/IT1102445B/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/26—Testing of individual semiconductor devices
    • G01R31/2607—Circuits therefor
    • G01R31/2632—Circuits therefor for testing diodes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Rectifiers (AREA)
  • Protection Of Static Devices (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Vehicle Body Suspensions (AREA)
IT31348/78A 1978-01-04 1978-12-28 SURVEILLANCE DEVICE FOR SEMICONDUCTOR VALVES IT1102445B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH6878A CH629048A5 (en) 1978-01-04 1978-01-04 SEMICONDUCTOR THREE-PHASE BRIDGE CIRCUIT WITH A MONITORING DEVICE FOR THE SEMICONDUCTOR VALVES.

Publications (2)

Publication Number Publication Date
IT7831348A0 IT7831348A0 (en) 1978-12-28
IT1102445B true IT1102445B (en) 1985-10-07

Family

ID=4178559

Family Applications (1)

Application Number Title Priority Date Filing Date
IT31348/78A IT1102445B (en) 1978-01-04 1978-12-28 SURVEILLANCE DEVICE FOR SEMICONDUCTOR VALVES

Country Status (9)

Country Link
US (1) US4259636A (en)
AT (1) AT371952B (en)
BR (1) BR7900020A (en)
CA (1) CA1134443A (en)
CH (1) CH629048A5 (en)
DE (1) DE2805550A1 (en)
FR (1) FR2414265A1 (en)
IT (1) IT1102445B (en)
NO (1) NO149263C (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3326344A1 (en) * 1983-07-21 1985-01-31 Fuji Electric Co., Ltd., Kawasaki, Kanagawa Fault finding device for the diodes in rotating rectifiers
US4559486A (en) * 1983-12-27 1985-12-17 Sundstrand Corporation Detector for shorted rotating diode of a brushless alternator
JP2644579B2 (en) * 1988-06-03 1997-08-25 株式会社東京精密 Semiconductor element inspection method and apparatus
US20070086125A1 (en) * 2005-10-19 2007-04-19 Hamilton Sundstrand Corporation Elimination of DC ground fault currents in auto-transformer rectifier unit
EP2878964B8 (en) * 2013-12-02 2016-09-21 ABB Schweiz AG Detecting shorted diodes

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1250546B (en) *
GB824172A (en) * 1955-12-28 1959-11-25 British Thomson Houston Co Ltd Improvements in and relating to electric rectifier arrangements
BE559130A (en) * 1956-07-12 1900-01-01 Westinghouse Electric Corp
DE1052557B (en) * 1958-02-20 1959-03-12 Siemens Ag Monitoring device for an arrangement with semiconductor valves
GB955400A (en) * 1961-10-09 1964-04-15 Gen Electric Co Ltd Improvements in or relating to fault indicating arrangements for electric current rectifier circuits
US4133017A (en) * 1977-11-28 1979-01-02 General Motors Corporation Electrical power supply fault detecting system

Also Published As

Publication number Publication date
BR7900020A (en) 1979-08-07
NO149263C (en) 1984-03-14
NO149263B (en) 1983-12-05
DE2805550A1 (en) 1979-07-05
FR2414265A1 (en) 1979-08-03
FR2414265B1 (en) 1983-12-16
CA1134443A (en) 1982-10-26
IT7831348A0 (en) 1978-12-28
CH629048A5 (en) 1982-03-31
AT371952B (en) 1983-08-25
NO790019L (en) 1979-07-05
US4259636A (en) 1981-03-31
ATA816078A (en) 1982-12-15

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